In their first nationally-syndicated episode, and the first one titled “Sneak Previews”, Siskel and Ebert review Roger Altman’s ensemble comedy “A Wedding”, featuring Carol Burnett, Woody Allen’s first serious film “Interiors”, the Nazi thriller “The Boys from Brazil” starring Gregory Peck and Laurence Olivier, Farrah Fawcett-Majors’ feature-film debut, “Somebody Killed Her Husband”, and an Agatha Christie murder-mystery, “Death on the Nile”. Their “Dog of the Week” picks are “Piranha” and Cheech & Chong’s “Up In Smoke”.